/* ============================================================
   danielprince.online - Dark Theme Stylesheet
   Colors: bg #0a0a0f, surface #13131a, accent #6366f1,
   text #e4e4e7, muted #71717a, border #27272a
   Font: Inter
   ============================================================ */

/* --- CSS Custom Properties --- */
:root {
    --bg-primary: #0a0a0f;
    --bg-surface: #13131a;
    --bg-surface-hover: #1a1a24;
    --bg-card: #16161e;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.25);
    --text-primary: #e4e4e7;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --border-color: #27272a;
    --border-hover: #3f3f46;
    --success: #22c55e;
    --warning: #eab308;
    --danger: #ef4444;
    --nav-height: 70px;
    --max-width: 1200px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    overflow-x: hidden;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-hover);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

/* --- Animations --- */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes gradientShift {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.6; }
}

@keyframes countUp {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.2rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin-bottom: 0.5rem;
    position: relative;
    display: inline-block;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 2.5rem;
}

.accent {
    color: var(--accent);
}

.accent-gradient {
    background: linear-gradient(135deg, var(--accent), #a78bfa, #6366f1, #818cf8);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 4s ease infinite;
}

/* --- Container --- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background: rgba(10, 10, 15, 0.78);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: background var(--transition-normal);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    transition: opacity var(--transition-fast);
}

.nav-logo:hover {
    color: var(--text-primary);
    opacity: 0.85;
}

.nav-logo .accent {
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        width: 100%;
        flex-direction: column;
        background: rgba(10, 10, 15, 0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border-color);
        padding: 1rem;
        gap: 0.5rem;
        display: none;
        z-index: 999;
    }
    .nav-links.active {
        display: flex;
    }
    .nav-link {
        width: 100%;
        text-align: center;
        padding: 0.75rem 1rem;
    }
    .nav-login-btn {
        width: 100%;
        justify-content: center;
        margin-left: 0;
        margin-top: 0.5rem;
        padding: 0.75rem 1rem;
    }
}

.nav-link {
    padding: 0.5rem 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
    color: var(--accent);
    background: rgba(99, 102, 241, 0.1);
}

/* --- Nav Login Button --- */
.nav-login-btn {
    margin-left: 0.75rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1.1rem;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    background: var(--accent);
    color: #ffffff;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    white-space: nowrap;
    box-shadow: 0 3px 10px rgba(99, 102, 241, 0.3);
}
.nav-login-btn:hover {
    background: var(--accent-hover);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 5px 16px rgba(99, 102, 241, 0.4);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.mobile-menu-btn:hover {
    border-color: var(--border-hover);
    background: var(--bg-surface);
}

.menu-bar {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

.mobile-menu-btn.active .menu-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active .menu-bar:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active .menu-bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Main Content --- */
.main-content {
    min-height: calc(100vh - var(--nav-height) - 120px);
    padding-top: var(--nav-height);
    animation: fadeIn 0.6s ease;
}

/* --- Sections --- */
.section {
    padding: 5rem 1.5rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

/* --- Hero Section --- */
.hero {
    min-height: calc(100vh - var(--nav-height));
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-greeting {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.35rem);
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.hero-bio {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.7;
}

/* --- Buttons --- */
.btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    font-family: var(--font-family);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    text-decoration: none;
    line-height: 1;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: var(--accent);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
    color: #ffffff;
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(99, 102, 241, 0.08);
}

.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
}

.btn-outline:hover {
    background: var(--accent);
    color: #ffffff;
}

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid transparent;
}

.btn-ghost:hover {
    color: var(--text-primary);
    background: var(--bg-surface);
    border-color: var(--border-color);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 0.9rem 2rem;
    font-size: 1.05rem;
}

/* --- Features Grid (Platform Landing) --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.feature-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    text-align: left;
    transition: all var(--transition-normal);
}

.feature-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.12);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.feature-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0;
}

/* --- How It Works --- */
.how-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    flex-wrap: wrap;
}

.how-step {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    flex: 1;
    min-width: 220px;
    max-width: 280px;
    transition: all var(--transition-normal);
}

.how-step:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.12);
}

.how-number {
    width: 44px;
    height: 44px;
    background: var(--accent);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 800;
    margin: 0 auto 0.75rem;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.how-step h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.how-step p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 0;
}

.how-arrow {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    color: var(--accent);
}

@media (max-width: 768px) {
    .how-arrow {
        display: none;
    }
    .how-step {
        max-width: 100%;
    }
}

/* --- Utility --- */
.text-center { text-align: center; }
.mb-4 { margin-bottom: 1.5rem; }
.mt-5 { margin-top: 3rem; }

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
    .stats-section {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* --- Stats Section --- */
.stats-section {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem 1.5rem 4rem;
}

.stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.75rem 1.5rem;
    text-align: center;
    transition: all var(--transition-normal);
}

.stat-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.12);
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 0.25rem;
    animation: countUp 0.6s ease forwards;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* --- Tech Stack Badges --- */
.tech-section {
    padding: 2rem 1.5rem 4rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.tech-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.tech-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.9rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.tech-badge:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(99, 102, 241, 0.06);
}

.tech-badge .badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    display: inline-block;
}

/* --- About Page --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.about-text p {
    margin-bottom: 1.2rem;
    font-size: 1.05rem;
    line-height: 1.7;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.skill-item {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    transition: all var(--transition-fast);
}

.skill-item:hover {
    border-color: var(--accent);
    background: var(--bg-surface-hover);
}

.skill-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.skill-level {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.skill-bar {
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    margin-top: 0.5rem;
    overflow: hidden;
}

.skill-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover));
    border-radius: 2px;
    transition: width 1s ease;
}

/* --- Timeline --- */
.timeline {
    position: relative;
    padding-left: 2rem;
    margin-top: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-bottom: 2.5rem;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 0.4rem;
    width: 12px;
    height: 12px;
    background: var(--accent);
    border: 3px solid var(--bg-primary);
    border-radius: 50%;
    box-shadow: 0 0 0 2px var(--accent);
}

.timeline-date {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.timeline-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.15rem;
}

.timeline-org {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.timeline-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* --- Resume Page --- */
.resume-header {
    text-align: center;
    margin-bottom: 3rem;
}

.resume-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.resume-section {
    margin-bottom: 3rem;
}

.resume-section-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
    color: var(--text-primary);
}

.resume-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.resume-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: all var(--transition-normal);
}

.resume-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.1);
}

.resume-card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.resume-card-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.resume-card-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.resume-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 2rem;
    background: var(--accent);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.resume-download-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
    color: #ffffff;
}

/* --- Projects Page --- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    border-color: var(--accent);
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(99, 102, 241, 0.12);
}

.project-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.project-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
}

.project-status {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    font-size: 0.72rem;
    font-weight: 600;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.status-active {
    background: rgba(34, 197, 94, 0.12);
    color: var(--success);
    border: 1px solid rgba(34, 197, 94, 0.25);
}

.status-beta {
    background: rgba(234, 179, 8, 0.12);
    color: var(--warning);
    border: 1px solid rgba(234, 179, 8, 0.25);
}

.status-archived {
    background: rgba(113, 113, 122, 0.12);
    color: var(--text-muted);
    border: 1px solid rgba(113, 113, 122, 0.25);
}

.project-card-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.25rem;
    flex-grow: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
}

.project-tag {
    padding: 0.25rem 0.6rem;
    background: rgba(99, 102, 241, 0.08);
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 4px;
}

/* --- Contact Page --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-info h3 {
    margin-bottom: 1rem;
}

.contact-info p {
    margin-bottom: 1.5rem;
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.contact-detail-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.contact-socials {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.contact-social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 600;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.contact-social-link:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(99, 102, 241, 0.06);
    transform: translateY(-2px);
}

/* --- Form --- */
.contact-form {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.7rem 1rem;
    font-family: var(--font-family);
    font-size: 0.95rem;
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.form-textarea {
    min-height: 140px;
    resize: vertical;
}

.form-submit {
    width: 100%;
    padding: 0.8rem 1.5rem;
    background: var(--accent);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.form-submit:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.form-submit:active {
    transform: translateY(0);
}

/* --- Section Divider --- */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
    margin: 0 auto;
    max-width: var(--max-width);
}

/* --- Footer --- */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 2rem 1.5rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-content p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent);
}

/* --- Mobile Responsive --- */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .stats-section {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        width: 100%;
        background: rgba(10, 10, 15, 0.96);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        padding: 1rem 0;
        gap: 0;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all var(--transition-normal);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-link {
        width: 100%;
        padding: 0.85rem 1.5rem;
        border-radius: 0;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding-top: 2rem;
        min-height: auto;
    }

    .section {
        padding: 3rem 1.5rem;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .stats-section {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        padding: 2rem 1.5rem 3rem;
    }

    .stat-card {
        padding: 1.25rem 1rem;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .resume-grid {
        grid-template-columns: 1fr;
    }

    .btn-group {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .stats-section {
        grid-template-columns: 1fr 1fr;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }
}

/* --- Resume Styles --- */
.resume-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    margin-bottom: 1.25rem;
    transition: border-color 0.2s;
}
.resume-item:hover {
    border-color: var(--border-hover);
}
.resume-header {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.6rem 1rem;
    margin-bottom: 1rem;
}
.resume-header h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}
.resume-org {
    font-size: 0.95rem;
    color: var(--accent);
    font-weight: 500;
}
.resume-date {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-left: auto;
}
.resume-bullets {
    list-style: none;
    padding: 0;
    margin: 0;
}
.resume-bullets li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.45rem;
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.55;
}
.resume-bullets li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.6;
}

@media (max-width: 640px) {
    .resume-header {
        flex-direction: column;
        gap: 0.2rem;
    }
    .resume-date {
        margin-left: 0;
    }
    .resume-item {
        padding: 1.25rem;
    }
}

/* --- Utility Classes --- */
.text-center { text-align: center; }
.text-left   { text-align: left; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }